package com.cyy.dao;

import com.cyy.pojo.Department;
import com.cyy.pojo.Employee;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;

import java.util.Collection;
import java.util.HashMap;
import java.util.Map;

//员工dao
@Repository
public class EmployeeDao {
    //模拟数据库中的数据
    private static Map<Integer, Employee> employees = null;
    //员工有所属的部门
    @Autowired
    private DepartmentDao departmentDao;
    static {
        employees = new HashMap<Integer,Employee>(); //创建一个部门表
        employees.put(1001, new Employee(1001,"AA","A2696403565@qq.com",0,new Department(101,"教学部")));
        employees.put(1002, new Employee(1002,"BB","B2696403565@qq.com",1,new Department(102,"市场部")));
        employees.put(1003, new Employee(1003,"CC","C2696403565@qq.com",0,new Department(103,"教研部")));
        employees.put(1004, new Employee(1004,"DD","D2696403565@qq.com",1,new Department(104,"运营部")));
        employees.put(1005, new Employee(1005,"EE","E2696403565@qq.com",0,new Department(105,"后勤部")));
   }
   //主键自增
    private static Integer initId = 1006;
   //增加一个员工
    public void save(Employee employee){
        if (employee.getId()==null){
            employee.setId(initId++);
        }
        employee.setDepartment(departmentDao.getDepartmentById(employee.getDepartment().getId()));
        employees.put(employee.getId(), employee);
    }
    //查询全部员工信息
    public Collection<Employee> getAll(){
        return employees.values();
    }
    //通过id查询员工
    public Employee getEmployeeById(Integer id){
        return employees.get(id);
    }
    //通过id删除员工
    public void delete(Integer id){
        employees.remove(id);
    }
}
